Table 1.
Effect of combining indoor residual spraying (IRS) and long-lasting insecticide-treated nets (LLINs) interventions on malaria infection in Príncipe for the year 2009
| Intervention | Malaria cases | Total cases | OR | 95% CI | P value |
|---|---|---|---|---|---|
| IRS only | 21 | 2811 | 1 | 0.008 | |
| Unprotected | 7 | 273 | 3.496 | 1.473 - 8.300 | 0.005 |
| LLINs only | 5 | 228 | 2.979 | 1.113 - 7.975 | 0.030 |
| IRS + LLINs | 19 | 2297 | 1.108 | 0.594 - 2.066 | 0.747 |
IRS: indoor residual spraying; LLINs: long lasting insecticide-treated nets;
OR: odds ratio; IC: confidence interval.